Darryl Learie performed a two-thumb plank exercise without using
his other eight fingers while carrying 75 pounds of additional weight on
his back. He remained balanced in position for 34.32 seconds.

- other fingers may not touch floor during the attempt- must attempt record on a concrete surface- must only use thumbs- may use a piece of sandpaper for stabilizing each thumb- must observe RecordSetter balancing criteria for weights